www.easypilotlogbook.com - This free pilot logbook uses simple excel formulas to make everyday pilot logbook calculations easy
www.aviationworld.net - Pilot and enthusiast superstore.
www.sportys.com - Sporty's, the worlds largest pilot shop, has been offering high quality aviation products for more than 50 years.
www.inventive-solutions.ca - Affordable patent and research services. Brian is very knowledgeble and helpful regarding patent searches and applications.